// import parseTime, formatTime and set to filter

/**
 * Show plural label if time is plural number
 * @param {number} time
 * @param {string} label
 * @return {string}
 */
function pluralize(time, label) {
	if (time === 1) {
		return time + label
	}
	return time + label + 's'
}

/**
 * @param {number} time
 */
export function timeAgo(time) {
	const between = Date.now() / 1000 - Number(time)
	if (between < 3600) {
		return pluralize(~~(between / 60), ' minute')
	} else if (between < 86400) {
		return pluralize(~~(between / 3600), ' hour')
	} else {
		return pluralize(~~(between / 86400), ' day')
	}
}

/**
 * Number formatting
 * like 10000 => 10k
 * @param {number} num
 * @param {number} digits
 */
export function numberFormatter(num, digits) {
	const si = [
		{ value: 1E18, symbol: 'E' },
		{ value: 1E15, symbol: 'P' },
		{ value: 1E12, symbol: 'T' },
		{ value: 1E9, symbol: 'G' },
		{ value: 1E6, symbol: 'M' },
		{ value: 1E3, symbol: 'k' }
	]
	for (let i = 0; i < si.length; i++) {
		if (num >= si[i].value) {
			return (num / si[i].value).toFixed(digits).replace(/\.0+$|(\.[0-9]*[1-9])0+$/, '$1') + si[i].symbol
		}
	}
	return num.toString()
}

/**
 * 10000 => "10,000"
 * @param {number} num
 */
export function toThousandFilter(num) {
	return (+num || 0).toString().replace(/^-?\d+/g, m => m.replace(/(?=(?!\b)(\d{3})+$)/g, ','))
}

/**
 * Upper case first char
 * @param {String} string
 */
export function uppercaseFirst(string) {
	return string.charAt(0).toUpperCase() + string.slice(1)
}

export function parseTime(time, cFormat) {
	if (arguments.length === 0) {
		return null
	}

	if ((time + '').length === 10) {
		time = +time * 1000
	}

	const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
	let date
	if (typeof time === 'object') {
		date = time
	} else {
		date = new Date(parseInt(time))
	}
	const formatObj = {
		y: date.getFullYear(),
		m: date.getMonth() + 1,
		d: date.getDate(),
		h: date.getHours(),
		i: date.getMinutes(),
		s: date.getSeconds(),
		a: date.getDay()
	}
	const timeStr = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
		let value = formatObj[key]
		if (key === 'a') {
			return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
		}
		if (result.length > 0 && value < 10) {
			value = '0' + value
		}
		return value || 0
	})
	return timeStr
}
export function formatTime(time, option) {
	time = +time * 1000
	const d = new Date(time)
	const now = Date.now()

	const diff = (now - d) / 1000

	if (diff < 30) {
		return '刚刚'
	} else if (diff < 3600) {
		// less 1 hour
		return Math.ceil(diff / 60) + '分钟前'
	} else if (diff < 3600 * 24) {
		return Math.ceil(diff / 3600) + '小时前'
	} else if (diff < 3600 * 24 * 2) {
		return '1天前'
	}
	if (option) {
		return parseTime(time, option)
	} else {
		return (
			d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
		)
	}
}
export function getNowFormatDate() {
	var date = new Date()
	var seperator1 = '-'
	var year = date.getFullYear()
	var month = date.getMonth() + 1
	var strDate = date.getDate()
	if (month >= 1 && month <= 9) {
		month = '0' + month
	}
	if (strDate >= 0 && strDate <= 9) {
		strDate = '0' + strDate
	}
	var currentdate = year + seperator1 + month + seperator1 + strDate
	return currentdate
}
/* 数字 格式化 */
export function nFormatter(num, digits) {
	const si = [{
		value: 1e18,
		symbol: 'E'
	},
	{
		value: 1e15,
		symbol: 'P'
	},
	{
		value: 1e12,
		symbol: 'T'
	},
	{
		value: 1e9,
		symbol: 'G'
	},
	{
		value: 1e6,
		symbol: 'M'
	},
	{
		value: 1e3,
		symbol: 'k'
	}
	]
	for (let i = 0; i < si.length; i++) {
		if (num >= si[i].value) {
			return (
				(num / si[i].value + 0.1)
					.toFixed(digits)
					.replace(/\.0+$|(\.[0-9]*[1-9])0+$/, '$1') + si[i].symbol
			)
		}
	}
	return num.toString()
}

export function html2Text(val) {
	const div = document.createElement('div')
	div.innerHTML = val
	return div.textContent || div.innerText
}

export function toThousandslsFilter(num) {
	return (+num || 0)
		.toString()
		.replace(/^-?\d+/g, m => m.replace(/(?=(?!\b)(\d{3})+$)/g, ','))
}
// 验证手机号
export function checkPhone(rule, value, callback) {
	if (!value) {
		return callback(new Error('手机号不能为空'))
	} else {
		const reg = /^1[3|4|5|7|8][0-9]\d{8}$/
		if (reg.test(value)) {
			callback()
		} else {
			return callback(new Error('请输入正确的手机号'))
		}
	}
}
export function checkPassword(rule, value, callback) {
	if (!value) {
		return callback(new Error('密码不能为空'))
	} else if (value.length < 6) {
		callback(new Error('请至少输入 6 个字符。请不要使用容易被猜到的密码'))
	} else {
		callback()
	}
}
// 手机号证验证
export function checkTel(value, callback) {
	var reg = /^1[3|4|5|7|8][0-9]\d{8}$/
	return reg.test(value)
}
// 身份证验证
export function checkiDNumber(value, callback) {
	var reg = /\d{17}[\d|x]|\d{15}/
	return reg.test(value)
}
// 身份证验证
export function checkEmails(value, callback) {
	var reg = /^[A-Za-zd]+([-_.][A-Za-zd]+)*@([A-Za-zd]+[-.])+[A-Za-zd]{2,5}$/
	return reg.test(value)
}
// 邮箱验证
export function checkEmail(rule, value, callback) {
	if (!value) {
		return callback(new Error('邮箱不能为空'))
	} else {
		var reg = /^[A-Za-zd]+([-_.][A-Za-zd]+)*@([A-Za-zd]+[-.])+[A-Za-zd]{2,5}$/
		if (reg.test(value)) {
			callback()
		} else {
			return callback(new Error('请输入正确的邮箱'))
		}
	}
}
// 英文验证
export function checkCode(value, callback) {
	var reg = /^[A-Za-z]+$/g
	return reg.test(value)
}
// qq验证
export function checkQq(value, callback) {
	var reg = /^[0-9]+$/g
	return reg.test(value)
}
// 银行卡号
export function formatBankNo(BankNo, callback) {
	var strBin = '10,18,30,35,37,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,58,60,62,65,68,69,84,87,88,94,95,98,99'
	return strBin
}
export function getStrleng(str, max) {
	var myLen = 0
	for (var i = 0; i < str.length && myLen <= max * 2; i++) {
		if (str.charCodeAt(i) > 0 && str.charCodeAt(i) < 128) {
			myLen++
		} else myLen += 2
	}
	return myLen
}
// 上传图片格式控制
export function updatedImg(file, obj, callback, func) {
	if (file.size < 10100000) {
		var fileName = file.name
		var suffix = fileName
			.substring(fileName.lastIndexOf('.') + 1)
			.toUpperCase()
		if (
			suffix === 'PDF' ||
      suffix === 'JPG' ||
      suffix === 'JPEG' ||
      suffix === 'PNG' ||
      suffix === 'GIF'
		) {
			return true
		} else {
			var tipType = '文件类型不正确,请重新上传'
			callback(tipType)
			return false
		}
	} else {
		var tipSize = '文件大小超过5M,请重新上传'
		callback(tipSize)
		return false
	}
}
// 上传文档格式控制
export function updatedFile(file, obj, callback, func) {
	if (file.size < 10100000) {
		var fileName = file.name
		var suffix = fileName
			.substring(fileName.lastIndexOf('.') + 1)
			.toUpperCase()
		if (
			suffix === 'DOC' ||
      suffix === 'DOCX' ||
      suffix === 'XLS' ||
      suffix === 'XLSX' ||
      suffix === 'PDF' ||
      suffix === 'ZIP' ||
      suffix === 'RAR'
		) {
			return true
		} else {
			var tipType = '文件类型不正确,请重新上传'
			callback(tipType)
			return false
		}
	} else {
		var tipSize = '文件大小超过5M,请重新上传'
		callback(tipSize)
		return false
	}
}
export function importFile(file, obj, callback, func) {
	if (file.size < 10100000) {
		var fileName = file.name
		var suffix = fileName
			.substring(fileName.lastIndexOf('.') + 1)
			.toUpperCase()
		if (
			suffix === 'XLS' ||
      suffix === 'XLSX'
		) {
			return true
		} else {
			var tipType = '文件类型不正确,请重新上传'
			callback(tipType)
			return false
		}
	} else {
		var tipSize = '文件大小超过10M,请重新上传'
		callback(tipSize)
		return false
	}
}
export function minHeight(resfile) {
	return document.body.clientHeight - 180 + 'px'
}

export function formatDate(date, fmt = 'yyyy-MM-dd') {
	if (!(date instanceof Array)) {
		date = new Date(date)
	}
	if (/(y+)/.test(fmt)) {
		fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
	}
	const o = {
		'M+': date.getMonth() + 1,
		'd+': date.getDate(),
		'h+': date.getHours(),
		'm+': date.getMinutes(),
		's+': date.getSeconds()
	}
	for (const k in o) {
		if (new RegExp(`(${k})`).test(fmt)) {
			const str = o[k] + ''
			fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? str : padLeftZero(str))
		}
	}
	return fmt
}

function padLeftZero(str) {
	return ('00' + str).substr(str.length)
}
export function getBlob(response) {
	const blob = new Blob([response.data], {
		type: 'application/vnd.ms-excel'
	})
	const link = document.createElement('a')
	link.href = window.URL.createObjectURL(blob)
	var filename = decodeURI(response.headers.filename)
	// link.download = filename + '.xls'
	link.download = filename
	link.click()
}
// 图片 blob 流转化为可用 src
export function imgHandle(obj) {
	return window.URL.createObjectURL(obj)
}
